Get rid of redundant parameter PositionIsOffsetInAnchor from PositionAlgorithm constructor

Source/core/editing/TypingCommand.cpp

Index: Source/core/editing/TypingCommand.cpp
diff --git a/Source/core/editing/TypingCommand.cpp b/Source/core/editing/TypingCommand.cpp
index abb01867e62374312fccfd031ee84eb06d025494..1b7964b6d982ddf4b97fcc4e7b1cfc9e0fb82d62 100644
--- a/Source/core/editing/TypingCommand.cpp
+++ b/Source/core/editing/TypingCommand.cpp
@@ -572,7 +572,7 @@ void TypingCommand::forwardDeleteKeyPressed(TextGranularity granularity, bool ki
                     extraCharacters = selectionToDelete.end().computeOffsetInContainerNode() - selectionToDelete.start().computeOffsetInContainerNode();
                 else
                     extraCharacters = selectionToDelete.end().computeOffsetInContainerNode();
-                extent = Position(extent.containerNode(), extent.computeOffsetInContainerNode() + extraCharacters, Position::PositionIsOffsetInAnchor);
+                extent = Position(extent.containerNode(), extent.computeOffsetInContainerNode() + extraCharacters);
             }
             selectionAfterUndo.setWithoutValidation(startingSelection().start(), extent);
         }